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328359749 is a prime number
BaseRepresentation
bin10011100100100…
…101111101000101
3211212212101220012
4103210211331011
51133030002444
652325520005
711065004024
oct2344457505
9755771805
10328359749
111593945a3
1291b73005
135304a313
14318768bb
151dc61b9e
hex13925f45

328359749 has 2 divisors, whose sum is σ = 328359750. Its totient is φ = 328359748.

The previous prime is 328359727. The next prime is 328359761. The reversal of 328359749 is 947953823.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182385025 + 145974724 = 13505^2 + 12082^2 .

It is a cyclic number.

It is not a de Polignac number, because 328359749 - 212 = 328355653 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 328359697 and 328359706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328352749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164179874 + 164179875.

It is an arithmetic number, because the mean of its divisors is an integer number (164179875).

Almost surely, 2328359749 is an apocalyptic number.

It is an amenable number.

328359749 is a deficient number, since it is larger than the sum of its proper divisors (1).

328359749 is an equidigital number, since it uses as much as digits as its factorization.

328359749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 50.

The square root of 328359749 is about 18120.6994622172. The cubic root of 328359749 is about 689.8954886167.

The spelling of 328359749 in words is "three hundred twenty-eight million, three hundred fifty-nine thousand, seven hundred forty-nine".